Adtran 1184561P4 SFP Gigabit Optical Small Form-Factor Accessories The module is compatible only

The module is compatible only with Adtran Atlas 550 Gateways

TFTP support

With 24 programmable buttons

This four port card can handle up to four simultaneous voicemail users at a single time

The Adtran NetVanta 1335 features an additional two combo ports that are SFP fiber or Gigabit Ethernet for uplinking the router to other network devices

Adtran 1184561P4 SFP Gigabit Optical Small Form-Factor Accessories The module is compatible onlyAdtran 1184561P4 SFP Description: A bidirectional SFP that plugs into a Central Office Optical Network Unit (ONU) designed to accept SFPs. The Adtran 1184561P4 is an Adtran specific SFP for use with fiber lines terminating into an Adtran NetVanta switch, gateway, or router. Adtran 1184561P4 Features: Provides a single optical interface to the GigE physical interface Provides Gigabit Ethernet tributary interface to the supporting system